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Fix bounds check on reading the IPC buffer

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This commit is contained in:
Sajid Anwar 2018-06-15 12:29:24 -07:00
parent 456b91307a
commit cf07af6eae
1 changed files with 4 additions and 4 deletions
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8
Ryujinx.HLE/OsHle/Ipc/IpcMessage.cs
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@ -176,14 +176,14 @@ namespace Ryujinx.HLE.OsHle.Ipc
public (long Position, long Size) GetBufferType0x21(int Index = 0) public (long Position, long Size) GetBufferType0x21(int Index = 0)
{ {
if (PtrBuff.Count != 0 && if (PtrBuff.Count > Index &&
PtrBuff[Index].Position != 0 && PtrBuff[Index].Position != 0 &&
PtrBuff[Index].Size != 0) PtrBuff[Index].Size != 0)
{ {
return (PtrBuff[Index].Position, PtrBuff[Index].Size); return (PtrBuff[Index].Position, PtrBuff[Index].Size);
} }
if (SendBuff.Count != 0 && if (SendBuff.Count > Index &&
SendBuff[Index].Position != 0 && SendBuff[Index].Position != 0 &&
SendBuff[Index].Size != 0) SendBuff[Index].Size != 0)
{ {
@ -195,14 +195,14 @@ namespace Ryujinx.HLE.OsHle.Ipc
public (long Position, long Size) GetBufferType0x22(int Index = 0) public (long Position, long Size) GetBufferType0x22(int Index = 0)
{ {
if (RecvListBuff.Count != 0 && if (RecvListBuff.Count > Index &&
RecvListBuff[Index].Position != 0 && RecvListBuff[Index].Position != 0 &&
RecvListBuff[Index].Size != 0) RecvListBuff[Index].Size != 0)
{ {
return (RecvListBuff[Index].Position, RecvListBuff[Index].Size); return (RecvListBuff[Index].Position, RecvListBuff[Index].Size);
} }
if (ReceiveBuff.Count != 0 && if (ReceiveBuff.Count > Index &&
ReceiveBuff[Index].Position != 0 && ReceiveBuff[Index].Position != 0 &&
ReceiveBuff[Index].Size != 0) ReceiveBuff[Index].Size != 0)
{ {